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0.3x + 0.5x + 0.5=7.77
We simplify the equation to the form, which is simple to understand
0.3x + 0.5x + 0.5=7.77
We move all terms containing x to the left and all other terms to the right.
+ 0.3x + 0.5x=+7.77-0.5
We simplify left and right side of the equation.
+ 0.8x=+7.27
We divide both sides of the equation by 0.8 to get x.
x=9.0875
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